package reflect;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Scanner;

/**
 * 使用反射机制调用方法
 */
public class ReflectDemo4 {
    public static void main(String[] args) throws ClassNotFoundException, InstantiationException, IllegalAccessException, NoSuchMethodException, InvocationTargetException {
        Person p =new Person();
        p.sayHello();

        Scanner scanner= new Scanner(System.in);
        System.out.println("请输入类名：");
        String classname=scanner.nextLine();
        System.out.println("请输入方法名：");
        String methodname = scanner.nextLine();

        //实例化
        Class cls=Class.forName(classname);
        Object obj = cls.newInstance();
        //调用方法
        //1.获取待调用方法的方法对象
        Method method= cls.getMethod(methodname);


        //2.通过方法对象来调用此方法
        method.invoke(obj);


    }
}
